21354696

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 64303200

約数和(自身を除く): 42948504

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 59, 66, 72, 88, 99, 118, 132, 177, 198, 236, 264, 354, 396, 457, 472, 531, 649, 708, 792, 914, 1062, 1298, 1371, 1416, 1828, 1947, 2124, 2596, 2742, 3656, 3894, 4113, 4248, 5027, 5192, 5484, 5841, 7788, 8226, 10054, 10968, 11682, 15081, 15576, 16452, 20108, 23364, 26963, 30162, 32904, 40216, 45243, 46728, 53926, 60324, 80889, 90486, 107852, 120648, 161778, 180972, 215704, 242667, 296593, 323556, 361944, 485334, 593186, 647112, 889779, 970668, 1186372, 1779558, 1941336, 2372744, 2669337, 3559116, 5338674, 7118232, 10677348, 21354696]

約数ペア:

[(1, 21354696), (2, 10677348), (3, 7118232), (4, 5338674), (6, 3559116), (8, 2669337), (9, 2372744), (11, 1941336), (12, 1779558), (18, 1186372), (22, 970668), (24, 889779), (33, 647112), (36, 593186), (44, 485334), (59, 361944), (66, 323556), (72, 296593), (88, 242667), (99, 215704), (118, 180972), (132, 161778), (177, 120648), (198, 107852), (236, 90486), (264, 80889), (354, 60324), (396, 53926), (457, 46728), (472, 45243), (531, 40216), (649, 32904), (708, 30162), (792, 26963), (914, 23364), (1062, 20108), (1298, 16452), (1371, 15576), (1416, 15081), (1828, 11682), (1947, 10968), (2124, 10054), (2596, 8226), (2742, 7788), (3656, 5841), (3894, 5484), (4113, 5192), (4248, 5027)]